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The circumstellar environment of σ Orionis E

Published online by Cambridge University Press:  26 May 2016

C. Ian Short  and
C. T. Bolton
C. Ian Short
Affiliation:
David Dunlap Observatory, University of Toronto Richmond Hill, Ontario, L4C 4Y6, CANADA
C. T. Bolton
Affiliation:
David Dunlap Observatory, University of Toronto Richmond Hill, Ontario, L4C 4Y6, CANADA

Extract

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The light and spectrum of the magnetic, chemically peculiar Be star σ Orionis E (=HD 37479) vary with the rotational period of 1.19081 d because of the effects of inhomogeneities in the photosphere and circumstellar matter (Walborn and Hesser 1976, Landstreet and Borra 1978, Hunger 1974). In this paper, we describe a model for the distribution of the Hα emitting material in the magnetosphere based on analysis of 24 high quality spectra covering the entire rotation period and published data from other sources.

Type
2. Magnetic Fields
Information
Symposium - International Astronomical Union , Volume 162: Pulsation, Rotation and Mass Loss in Early-Type Stars , 1994 , pp. 171 - 172
Copyright
Copyright © Kluwer 1994 

References

Groote, D. and Hunger, K.: 1976, Astr. Ap. 52, 303 Google Scholar
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Landstreet, J.D. and Borra, E.F.: 1978, Ap. J. Lett. 224, L5 CrossRefGoogle Scholar
Nakajima, R.: 1981, Tohoku Univ. Sci. Rept. 2, 129 Google Scholar
Walborn, N.R. and Hesser, J.E.: 1976, Ap. J. Lett. 205, L87 Google Scholar